// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// Copyright (c) 2007, 2008 Novell, Inc.
//
// Authors:
// Andreia Gaita <avidigal@novell.com>
#if NET_2_0
using System;
using System.Drawing;
using System.ComponentModel;
using System.Globalization;
using Mono.WebBrowser.DOM;
namespace System.Windows.Forms{
public sealed class HtmlDocument
{
private EventHandlerList events;
private Mono.WebBrowser.IWebBrowser webHost;
private IDocument document;
private WebBrowser owner;
internal HtmlDocument (WebBrowser owner, Mono.WebBrowser.IWebBrowser webHost) :
this (owner, webHost, webHost.Document)
{
}
internal HtmlDocument (WebBrowser owner, Mono.WebBrowser.IWebBrowser webHost, IDocument doc)
{
this.webHost = webHost;
this.document = doc;
this.owner = owner;
}
internal EventHandlerList Events {
get {
if (events == null)
events = new EventHandlerList ();
return events;
}
}
#region Methods
public void AttachEventHandler (string eventName, EventHandler eventHandler)
{
document.AttachEventHandler (eventName, eventHandler);
}
public HtmlElement CreateElement (string elementTag)
{
Mono.WebBrowser.DOM.IElement element = document.CreateElement (elementTag);
return new HtmlElement (owner, webHost, element);
}
public void DetachEventHandler (string eventName, EventHandler eventHandler)
{
document.DetachEventHandler (eventName, eventHandler);
}
public override bool Equals (object obj) {
return this == (HtmlDocument) obj;
}
public void ExecCommand (string command, bool showUI, Object value)
{
throw new NotImplementedException ("Not Supported");
}
[EditorBrowsable(EditorBrowsableState.Advanced)]
public void Focus ()
{
webHost.FocusIn (Mono.WebBrowser.FocusOption.None);
}
public HtmlElement GetElementById (string id)
{
IElement elem = document.GetElementById (id);
if (elem != null)
return new HtmlElement (owner, webHost, elem);
return null;
}
public HtmlElement GetElementFromPoint (Point point)
{
Mono.WebBrowser.DOM.IElement elem = document.GetElement (point.X, point.Y);
if (elem != null)
return new HtmlElement(owner, webHost, elem);
return null;
}
public HtmlElementCollection GetElementsByTagName (string tagName)
{
Mono.WebBrowser.DOM.IElementCollection col = document.GetElementsByTagName (tagName);
if (col != null)
return new HtmlElementCollection (owner, webHost, col);
return null;
}
public override int GetHashCode ()
{
if (document == null)
return 0;
return document.GetHashCode ();
}
public Object InvokeScript (string scriptName)
{
return document.InvokeScript ("eval ('" + scriptName + "()');");
}
public Object InvokeScript (string scriptName, object[] args)
{
string[] strArgs = new string[args.Length];
for (int i = 0; i < args.Length; i++) {
if (args[i] is string)
strArgs[i] = "\"" + args[i].ToString() + "\"";
else
strArgs[i] = args[i].ToString();
}
return document.InvokeScript ("eval ('" + scriptName + "(" + String.Join (",", strArgs) + ")');");
}
public static bool operator ==(HtmlDocument left, HtmlDocument right) {
if ((object)left == (object)right) {
return true;
}
if ((object)left == null || (object)right == null) {
return false;
}
return left.document.Equals (right.document);
}
public static bool operator !=(HtmlDocument left, HtmlDocument right) {
return !(left == right);
}
public HtmlDocument OpenNew (bool replaceInHistory)
{
Mono.WebBrowser.DOM.LoadFlags flags = Mono.WebBrowser.DOM.LoadFlags.None;
if (replaceInHistory)
flags |= Mono.WebBrowser.DOM.LoadFlags.ReplaceHistory;
webHost.Navigation.Go ("about:blank", flags);
return this;
}
public void Write (string text)
{
document.Write (text);
}
#endregion
#region Properties
public HtmlElement ActiveElement {
get {
Mono.WebBrowser.DOM.IElement element = document.Active;
if (element == null)
return null;
return new HtmlElement (owner, webHost, element);
}
}
public Color ActiveLinkColor {
get { return ParseColor(document.ActiveLinkColor); }
set { document.ActiveLinkColor = value.ToArgb().ToString(); }
}
public HtmlElementCollection All {
get {
return new HtmlElementCollection (owner, webHost, document.DocumentElement.All);
}
}
public Color BackColor {
get { return ParseColor(document.BackColor); }
set { document.BackColor = value.ToArgb().ToString(); }
}
public HtmlElement Body {
get { return new HtmlElement (owner, webHost, document.Body); }
}
public string Cookie {
get { return document.Cookie; }
set { document.Cookie = value; }
}
public string DefaultEncoding {
get { return document.Charset; }
}
public string Domain {
get { return document.Domain; }
set { throw new NotSupportedException ("Setting the domain is not supported per the DOM Level 2 HTML specification. Sorry."); }
}
public Object DomDocument {
get { throw new NotSupportedException ("Retrieving a reference to an mshtml interface is not supported. Sorry."); }
}
public string Encoding {
get { return document.Charset; }
set { document.Charset = value; }
}
public bool Focused {
get { return webHost.Window.Document == document; }
}
public Color ForeColor {
get { return ParseColor(document.ForeColor); }
set { document.ForeColor = value.ToArgb().ToString(); }
}
public HtmlElementCollection Forms {
get { return new HtmlElementCollection (owner, webHost, document.Forms); }
}
public HtmlElementCollection Images {
get { return new HtmlElementCollection (owner, webHost, document.Images); }
}
public Color LinkColor {
get { return ParseColor(document.LinkColor); }
set { document.LinkColor = value.ToArgb().ToString(); }
}
public HtmlElementCollection Links {
get { return new HtmlElementCollection (owner, webHost, document.Links); }
}
public bool RightToLeft {
get {
IAttribute dir = document.Attributes["dir"];
return (dir != null && dir.Value == "rtl");
}
set {
IAttribute dir = document.Attributes["dir"];
if (dir == null && value) {
IAttribute attr = document.CreateAttribute ("dir");
attr.Value = "rtl";
document.AppendChild (attr);
} else if (dir != null && !value) {
document.RemoveChild (dir);
}
}
}
public string Title {
get {
if (document == null)
return String.Empty;
return document.Title;
}
set { document.Title = value; }
}
public Uri Url {
get { return new Uri (document.Url); }
}
public Color VisitedLinkColor {
get { return ParseColor(document.VisitedLinkColor); }
set { document.VisitedLinkColor = value.ToArgb().ToString(); }
}
public HtmlWindow Window {
get { return new HtmlWindow (owner, webHost, webHost.Window); }
}
#endregion
#region Events
private static object ClickEvent = new object ();
public event HtmlElementEventHandler Click {
add {
Events.AddHandler (ClickEvent, value);
document.Click += new NodeEventHandler (OnClick);
}
remove {
Events.RemoveHandler (ClickEvent, value);
document.Click -= new NodeEventHandler (OnClick);
}
}
private void OnClick (object sender, EventArgs e)
{
HtmlElementEventHandler eh = (HtmlElementEventHandler) Events[ClickEvent];
if (eh != null) {
HtmlElementEventArgs ev = new HtmlElementEventArgs ();
eh (this, ev);
}
}
private static object ContextMenuShowingEvent = new object ();
public event HtmlElementEventHandler ContextMenuShowing {
add {
Events.AddHandler (ContextMenuShowingEvent, value);
owner.WebHost.ContextMenuShown += new Mono.WebBrowser.ContextMenuEventHandler (OnContextMenuShowing);
}
remove {
Events.RemoveHandler (ContextMenuShowingEvent, value);
owner.WebHost.ContextMenuShown -= new Mono.WebBrowser.ContextMenuEventHandler (OnContextMenuShowing);
}
}
private void OnContextMenuShowing (object sender, Mono.WebBrowser.ContextMenuEventArgs e)
{
HtmlElementEventHandler eh = (HtmlElementEventHandler) Events[ContextMenuShowingEvent];
if (eh != null) {
HtmlElementEventArgs ev = new HtmlElementEventArgs ();
eh (this, ev);
if (ev.ReturnValue) {
owner.OnWebHostContextMenuShown (sender, e);
}
}
}
private static object FocusingEvent = new object ();
public event HtmlElementEventHandler Focusing {
add {
Events.AddHandler (FocusingEvent, value);
document.OnFocus += new NodeEventHandler (OnFocusing);
}
remove {
Events.RemoveHandler (FocusingEvent, value);
document.OnFocus -= new NodeEventHandler (OnFocusing);
}
}
private void OnFocusing (object sender, EventArgs e)
{
HtmlElementEventHandler eh = (HtmlElementEventHandler) Events[FocusingEvent];
if (eh != null) {
HtmlElementEventArgs ev = new HtmlElementEventArgs ();
eh (this, ev);
}
}
private static object LosingFocusEvent = new object ();
public event HtmlElementEventHandler LosingFocus {
add {
Events.AddHandler (LosingFocusEvent, value);
document.OnBlur += new NodeEventHandler (OnLosingFocus);
}
remove {
Events.RemoveHandler (LosingFocusEvent, value);
document.OnBlur -= new NodeEventHandler (OnLosingFocus);
}
}
private void OnLosingFocus (object sender, EventArgs e)
{
HtmlElementEventHandler eh = (HtmlElementEventHandler) Events[LosingFocusEvent];
if (eh != null) {
HtmlElementEventArgs ev = new HtmlElementEventArgs ();
eh (this, ev);
}
}
private static object MouseDownEvent = new object ();
public event HtmlElementEventHandler MouseDown {
add {
Events.AddHandler (MouseDownEvent, value);
document.MouseDown += new NodeEventHandler (OnMouseDown);
}
remove {
Events.RemoveHandler (MouseDownEvent, value);
document.MouseDown -= new NodeEventHandler (OnMouseDown);
}
}
private void OnMouseDown (object sender, EventArgs e)
{
HtmlElementEventHandler eh = (HtmlElementEventHandler) Events[MouseDownEvent];
if (eh != null) {
HtmlElementEventArgs ev = new HtmlElementEventArgs ();
eh (this, ev);
}
}
private static object MouseLeaveEvent = new object ();
public event HtmlElementEventHandler MouseLeave {
add {
Events.AddHandler (MouseLeaveEvent, value);
document.MouseLeave += new NodeEventHandler (OnMouseLeave);
}
remove {
Events.RemoveHandler (MouseLeaveEvent, value);
document.MouseLeave -= new NodeEventHandler (OnMouseLeave);
}
}
private void OnMouseLeave (object sender, EventArgs e)
{
HtmlElementEventHandler eh = (HtmlElementEventHandler) Events[MouseLeaveEvent];
if (eh != null) {
HtmlElementEventArgs ev = new HtmlElementEventArgs ();
eh (this, ev);
}
}
private static object MouseMoveEvent = new object ();
public event HtmlElementEventHandler MouseMove {
add {
Events.AddHandler (MouseMoveEvent, value);
document.MouseMove += new NodeEventHandler (OnMouseMove);
}
remove {
Events.RemoveHandler (MouseMoveEvent, value);
document.MouseMove -= new NodeEventHandler (OnMouseMove);
}
}
private void OnMouseMove (object sender, EventArgs e)
{
HtmlElementEventHandler eh = (HtmlElementEventHandler) Events[MouseMoveEvent];
if (eh != null) {
HtmlElementEventArgs ev = new HtmlElementEventArgs ();
eh (this, ev);
}
}
private static object MouseOverEvent = new object ();
public event HtmlElementEventHandler MouseOver {
add {
Events.AddHandler (MouseOverEvent, value);
document.MouseOver += new NodeEventHandler (OnMouseOver);
}
remove {
Events.RemoveHandler (MouseOverEvent, value);
document.MouseOver -= new NodeEventHandler (OnMouseOver);
}
}
private void OnMouseOver (object sender, EventArgs e)
{
HtmlElementEventHandler eh = (HtmlElementEventHandler) Events[MouseOverEvent];
if (eh != null) {
HtmlElementEventArgs ev = new HtmlElementEventArgs ();
eh (this, ev);
}
}
private static object MouseUpEvent = new object ();
public event HtmlElementEventHandler MouseUp {
add {
Events.AddHandler (MouseUpEvent, value);
document.MouseUp += new NodeEventHandler (OnMouseUp);
}
remove {
Events.RemoveHandler (MouseUpEvent, value);
document.MouseUp -= new NodeEventHandler (OnMouseUp);
}
}
private void OnMouseUp (object sender, EventArgs e)
{
HtmlElementEventHandler eh = (HtmlElementEventHandler) Events[MouseUpEvent];
if (eh != null) {
HtmlElementEventArgs ev = new HtmlElementEventArgs ();
eh (this, ev);
}
}
private static object StopEvent = new object ();
public event HtmlElementEventHandler Stop {
add {
Events.AddHandler (StopEvent, value);
document.LoadStopped += new EventHandler (OnStop);
}
remove {
Events.RemoveHandler (StopEvent, value);
document.LoadStopped -= new EventHandler (OnStop);
}
}
private void OnStop (object sender, EventArgs e)
{
HtmlElementEventHandler eh = (HtmlElementEventHandler) Events[StopEvent];
if (eh != null) {
HtmlElementEventArgs ev = new HtmlElementEventArgs ();
eh (this, ev);
}
}
#endregion
#region Internal and Private
private Color ParseColor (string color) {
if (color.IndexOf ("#") >= 0) {
return Color.FromArgb (int.Parse (color.Substring (color.IndexOf ("#") + 1), NumberStyles.HexNumber));
}
return Color.FromName (color);
}
internal string DocType {
get {
if (this.document == null)
return String.Empty;
if (this.document.DocType != null)
return this.document.DocType.Name;
return String.Empty;
}
}
#endregion
}
}
#endif
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